Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi cuu cong snippets" » "thi cua cong snippets", "thi thu cong snippets", "thi cac cong snippets", "thi cuc cong snippets", "thi huu cong snippets", "thi cu cong snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("thi cuu cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thi cuu cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi cuu cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi cuu cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.